* {
    box-sizing: border-box;
}
html {
    -webkit-text-size-adjust: 100%;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background: #050505;
    color: #FFFFFF;
    line-height: 1.7;
    overflow-x: hidden;
}
body.drawer-open {
    overflow: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
.container {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
}
.site-header {
    background: linear-gradient(180deg, #151515 0%, #080808 100%);
    border-bottom: 1px solid rgba(213,5,5,0.32);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 12px 34px rgba(0,0,0,0.45);
}
.mobile-topbar {
    height: 64px;
    display: grid;
    grid-template-columns: 48px 1fr 76px;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
}
.mobile-logo {
    justify-self: center;
}
.mobile-logo img,
.brand img,
.drawer-head img,
.footer-brand img {
    width: 132px;
    height: auto;
}
.menu-toggle {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 14px;
    background: #111111;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}
.menu-toggle span {
    width: 20px;
    height: 2px;
    background: #FFFFFF;
    border-radius: 4px;
}
.top-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    background: #D50505;
    color: #FFFFFF;
    font-weight: 700;
    border: 1px solid rgba(255,255,255,0.08);
    transition: background .2s ease, transform .2s ease;
}
.top-action:hover,
.main-btn:hover {
    background: #B90404;
    transform: translateY(-1px);
}
.desktop-header {
    display: none;
    min-height: 78px;
    align-items: center;
    gap: 24px;
}
.brand {
    flex: 0 0 auto;
}
.desktop-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
}
.desktop-nav a {
    color: #D6D6D6;
    font-size: 15px;
    padding: 10px 13px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.desktop-nav a:hover,
.desktop-nav a.active {
    color: #FFFFFF;
    border-color: rgba(213,5,5,0.32);
    background: rgba(213,5,5,0.13);
}
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 180;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #0F0F10;
    z-index: 190;
    transform: translateX(-102%);
    transition: transform .28s ease;
    border-right: 1px solid rgba(213,5,5,0.32);
    box-shadow: 22px 0 50px rgba(0,0,0,0.45);
    padding: 18px;
}
.drawer-open .drawer-overlay {
    opacity: 1;
    visibility: visible;
}
.drawer-open .mobile-drawer {
    transform: translateX(0);
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.drawer-close {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 12px;
    background: #111111;
    color: #FF2A2A;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}
.drawer-nav {
    display: grid;
    gap: 8px;
    padding: 18px 0;
}
.drawer-nav a {
    padding: 13px 14px;
    color: #FFFFFF;
    border-radius: 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
}
.drawer-nav a.active,
.drawer-nav a:hover {
    background: rgba(213,5,5,0.16);
    border-color: rgba(213,5,5,0.42);
    color: #FF2A2A;
}
.drawer-note {
    color: #D6D6D6;
    background: #111111;
    border: 1px solid rgba(213,5,5,0.32);
    border-radius: 18px;
    padding: 14px;
    font-size: 14px;
}
.section {
    padding: 64px 0;
}
.hero {
    padding: 70px 0 56px;
    background: radial-gradient(circle at 75% 20%, rgba(213,5,5,0.25), transparent 32%), linear-gradient(135deg, #050505 0%, #111111 55%, #1A0000 100%);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hero-grid,
.split-grid,
.info-two,
.inner-hero-grid {
    display: grid;
    gap: 28px;
}
.eyebrow {
    display: inline-flex;
    color: #FF4A4A;
    background: rgba(213,5,5,0.12);
    border: 1px solid rgba(213,5,5,0.32);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 14px;
    margin-bottom: 16px;
    font-weight: 700;
}
h1, h2, h3 {
    line-height: 1.25;
    margin: 0;
}
h1 {
    font-size: clamp(34px, 8vw, 64px);
    letter-spacing: -1.5px;
}
h2 {
    font-size: clamp(26px, 5vw, 42px);
}
h3 {
    font-size: 20px;
}
.red {
    color: #FF2A2A;
}
.lead {
    color: #D6D6D6;
    font-size: 17px;
    margin: 18px 0 0;
}
.section-head {
    display: grid;
    gap: 12px;
    margin-bottom: 26px;
}
.section-head p {
    color: #D6D6D6;
    margin: 0;
    max-width: 820px;
}
.main-btn,
.line-btn,
.text-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    border-radius: 999px;
    font-weight: 800;
    transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.main-btn {
    color: #FFFFFF;
    background: #D50505;
    padding: 0 26px;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 16px 40px rgba(213,5,5,0.2);
}
.line-btn {
    color: #FFFFFF;
    border: 1px solid rgba(213,5,5,0.45);
    padding: 0 20px;
    background: rgba(213,5,5,0.08);
}
.line-btn:hover,
.text-link:hover {
    border-color: rgba(213,5,5,0.7);
    color: #FF2A2A;
}
.text-link {
    min-height: auto;
    padding: 0;
    color: #FF4A4A;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}
.tag {
    color: #FFFFFF;
    background: #111111;
    border: 1px solid rgba(213,5,5,0.32);
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 14px;
}
.hero-visual,
.image-card {
    position: relative;
    border-radius: 26px;
    background: linear-gradient(180deg, #151515, #0B0B0D);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 14px;
    overflow: hidden;
    box-shadow: 0 22px 65px rgba(0,0,0,0.38), 0 0 55px rgba(213,5,5,0.14);
}
.hero-visual img,
.image-card img {
    width: 100%;
    border-radius: 20px;
    object-fit: cover;
}
.float-card {
    margin-top: 14px;
    padding: 16px;
    background: rgba(17,17,17,0.86);
    border: 1px solid rgba(213,5,5,0.32);
    border-radius: 20px;
}
.float-card strong {
    color: #FF2A2A;
}
.float-card p {
    margin: 6px 0 0;
    color: #D6D6D6;
}
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.feature-card,
.match-card,
.data-card,
.info-card,
.security-card,
.faq-item,
.notice-box,
.step-card,
.contact-card {
    background: #111111;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 22px;
    padding: 22px;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.feature-card:hover,
.match-card:hover,
.data-card:hover,
.info-card:hover,
.security-card:hover,
.step-card:hover,
.contact-card:hover {
    border-color: rgba(213,5,5,0.42);
    transform: translateY(-2px);
    box-shadow: 0 18px 44px rgba(0,0,0,0.24);
}
.feature-card.large {
    background: radial-gradient(circle at top right, rgba(213,5,5,0.16), transparent 38%), #111111;
}
.card-kicker,
.status {
    display: inline-flex;
    margin-bottom: 12px;
    color: #FF4A4A;
    background: rgba(213,5,5,0.12);
    border: 1px solid rgba(213,5,5,0.32);
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 13px;
    font-weight: 700;
}
.feature-card h3,
.match-card h3,
.data-card h3,
.info-card h3,
.security-card h3,
.faq-item h3,
.step-card h3,
.contact-card h3 {
    color: #FFFFFF;
    margin-bottom: 10px;
}
.feature-card p,
.match-card p,
.data-card p,
.info-card p,
.security-card p,
.faq-item p,
.step-card p,
.contact-card p,
.notice-box p,
.rich-text p {
    color: #D6D6D6;
    margin: 0 0 14px;
}
.card-meta,
.small-text {
    color: #A8A8A8;
    font-size: 14px;
}
.dark-panel {
    background: #0B0B0D;
    border-top: 1px solid rgba(255,255,255,0.08);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.score-panel {
    background: linear-gradient(180deg, #111111, #0B0B0D);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 26px;
    padding: 20px;
}
.score-row {
    display: grid;
    gap: 10px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.score-row:last-child {
    border-bottom: 0;
}
.score-row strong {
    color: #FFFFFF;
}
.score-row span {
    color: #A8A8A8;
}
.data-grid,
.security-grid,
.step-grid,
.contact-grid {
    display: grid;
    gap: 16px;
}
.info-list {
    display: grid;
    gap: 14px;
}
.info-list li {
    list-style: none;
    margin: 0;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.08);
    color: #D6D6D6;
}
.info-list {
    padding: 0;
    margin: 0;
}
.info-list strong {
    display: block;
    color: #FFFFFF;
    margin-bottom: 5px;
}
.notice-box {
    background: radial-gradient(circle at top left, rgba(213,5,5,0.14), transparent 34%), #0B0B0D;
    border-color: rgba(213,5,5,0.32);
}
.faq-list {
    display: grid;
    gap: 14px;
}
.cta {
    padding: 54px 0;
    background: radial-gradient(circle at 30% 10%, rgba(213,5,5,0.25), transparent 30%), linear-gradient(135deg, #0B0B0D 0%, #160000 100%);
    border-top: 1px solid rgba(213,5,5,0.32);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.cta-box {
    display: grid;
    gap: 18px;
    align-items: center;
}
.cta-box p {
    color: #D6D6D6;
    margin: 0;
}
.inner-hero {
    padding: 58px 0 38px;
    background: radial-gradient(circle at 70% 20%, rgba(213,5,5,0.18), transparent 32%), linear-gradient(135deg, #050505, #0B0B0D);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.breadcrumb {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    color: #A8A8A8;
    font-size: 14px;
    margin-bottom: 16px;
}
.breadcrumb a {
    color: #FF4A4A;
}
.rich-text {
    background: #0B0B0D;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 24px;
    padding: 24px;
}
.rich-text h2 {
    color: #FF2A2A;
    font-size: 28px;
    margin: 8px 0 14px;
}
.rich-text h3 {
    color: #FFFFFF;
    margin: 22px 0 10px;
}
.link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}
.site-footer {
    background: #090909;
    border-top: 1px solid rgba(213,5,5,0.32);
    color: #D6D6D6;
}
.footer-grid {
    display: grid;
    gap: 24px;
    padding: 48px 0;
}
.site-footer h3 {
    color: #FFFFFF;
    margin-bottom: 12px;
}
.site-footer a {
    display: block;
    color: #D6D6D6;
    margin: 8px 0;
}
.site-footer a:hover {
    color: #FF2A2A;
}
.footer-brand p,
.footer-small {
    color: #A8A8A8;
    margin: 14px 0 0;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 18px 0;
    color: #A8A8A8;
    font-size: 14px;
}
@media (min-width: 640px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .data-grid,
    .security-grid,
    .step-grid,
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .score-row {
        grid-template-columns: 1fr auto auto;
        align-items: center;
    }
}
@media (min-width: 900px) {
    .mobile-topbar {
        display: none;
    }
    .desktop-header {
        display: flex;
    }
    .hero-grid,
    .split-grid,
    .inner-hero-grid {
        grid-template-columns: 1.02fr .98fr;
        align-items: center;
    }
    .info-two {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .feature-card.large {
        grid-column: span 2;
    }
    .match-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .data-grid,
    .security-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .step-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .cta-box {
        grid-template-columns: 1fr auto;
    }
    .footer-grid {
        grid-template-columns: 1.5fr .8fr .8fr .9fr;
    }
}
@media (max-width: 480px) {
    .container {
        width: min(100% - 24px, 1160px);
    }
    .section {
        padding: 48px 0;
    }
    .hero {
        padding: 50px 0 42px;
    }
    .feature-card,
    .match-card,
    .data-card,
    .info-card,
    .security-card,
    .faq-item,
    .notice-box,
    .step-card,
    .contact-card,
    .rich-text {
        padding: 18px;
        border-radius: 18px;
    }
    .mobile-logo img {
        width: 112px;
    }
    .top-action {
        padding: 0 13px;
    }
}